ἐλλογέωellogéō

to charge to one's account, impute: Philemon 1:18; of sin, Romans 5:13.

Greek (New Testament) · G1677

Same root

ἐνen · G1722"in," at, (up-)on, by, etc.
λόγοςlógos · G3056something said (including the thought); by implication, a topic (subject of discourse), also reasoning (the mental faculty) or motive; by extension, a computation; specially, (with the article in John) the Divine Expression (i.e. Christ)

Where it appears

Appears 2 times in the Bible.

Romans 5:13 Yes, people sinned even before the law was given. But it was not counted as sin because there was not yet any law to break.
Philemon 1:18 If he has wronged you in any way or owes you anything, charge it to me.

Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.